.clock {
  width: 500px;
  height: 500px;
  border: 3px solid #666;
  border-radius: 50%;
  margin: 30px auto;
  position: relative;
}

.box {
  color: red;
  background: red;
}

.p {
  color: red;
  background: #fff;
  display: block;
}

.op {
  opacity: 1;
}
